Wednesday, May 09, 2007

How my camera works...

This is for a Canon Power Shot A540

ISO
1. Use arrow buttons to select an ISO speed and press FUNC./SET button.

2. Selecting (Auto) sets the optimal ISO speed according to the light level when shooting. Since the ISO speed setting will automatically be raised in dark places, the camera will select a faster shutter speed and reduce the chances of camera shake.

3. in M mode, ISO Auto is not available.


Color Balance
1. Unsure about this one, but posted a serarate post on it.

Exposure Compensation
1. Turn on the LCD monitor

2. Press the +/- button several times until the exposure compensation bar is displayed.

3. Use the arrows to adjust the exposure compensation and press the +/- button.

4. Depending on the shooting mode pressing the +/- button will switch between the setting items as follows:
SCN - SCN Mode/ Exposure compensation
TV - Shutter Speed/Exposure Compensation
AV - Aperture valure/Exposure Compensation

5. To cancel the expoure compensation restore the compensation value to 0.



File Size and Compression
1. FUNC. Menu (recording pixels)
2. Compression
3. Use the arrows to select recording pixel/compression settting and press he FUNC./SET button.
4. Values for compression settings
Superfine - Shoot higher quality images
Fine - Shoot normal quality images
Normal - Shoot more images.


Exposure and Meter Mode
1. P, Tv, Av, M

2. FUNC. Menu (evaluative)

3. Use the arrows to select the metering mode and press the FUNC./SET button

4. Metering Methods
a. Evaluative - Appropriate for standard shooting conditions including back lit scenes. The camera divides images into several zones for metering. It evaluates complex lighting conditions, such as the position of the subject, the brightness, the direct light, and the back lighting, and adjust the settings to the correct exposure for the main subject.
b. Center Weighted Average - Averages the light metered from the entire frame, but gives greater weight to the subject matter at the center.
c. Spot - Meters the area within the spot AE point at the center of the LCD monitor. Use this setting when you want to set the exposure on the subject in the center of the monitor.



Macro Focusing
1. Could not find in the manual


Flash Mode
1. Could not find in the manual



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